Choose the correct alternative which will improve the part of the sentence given in quotes.
According to the best available information, the facts 'are' true.

Select the most appropriate option to substitute the highlighted segment in the given sentence.
There always have been a sizeable influx of immigrants from Mexico into America.

Select the most appropriate option to substitute the highlighted segment in the given sentence. If there is no need to substitute it, select ‘No substitution’.
If you tries to dictate your terms, I don’t think we can work together.

Select the word segment that can substitute the bracketed word segment correctly and complete the sentence meaningfully.

"[(Everyone carefully were trying to)] reason with the CEO regarding the need for work-life balance during the upcoming festivals."